Entropy (disambiguation)

Entropy may refer to:

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  Entropy (thermodynamics)

  A measure of disorder or, more precisely, the number of microscopic configurations consistent with a thermodynamic system’s macroscopic state.

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  Entropy (information theory)

  A measure of uncertainty or randomness in a probability distribution, central to Shannon’s information theory.

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  Entropy (statistical mechanics)

  The connection between macroscopic entropy and microscopic states, typically expressed through Boltzmann’s and Gibbs’ formulations.